Top education and reference sites: Wikipedia, Yahoo! Education, eHow

Nielsen//NetRatings notes that between September 2004 and September 2005 the traffic to education and reference Web sites grew 22% on average. However, two sites, which also happen to lead the ratings of education sites, Wikipedia and Yahoo! Education, experienced triple-digit increases in traffic over the past 12 months.

Education and reference site traffic

Site Unique audience, 000 Growth
  Sep 2004 Sep 2005 YTY
Wikipedia 3,287 12,799 289%
Yahoo! Education 1,068 3,258 205%
eHow 1,049 2,069 97%
CollegeBoard.com 1,167 1,846 58%
City-Data.com 1,381 2,176 58%
Thesaurus.com 1,356 2,109 56%
Teacherweb.com 638 961 51%
NewsBank 1,273 1,915 50%
Thomson Learning 970 1,433 48%
NationMaster.com 757 1,031 36%
Total 37,877 46,357 22%
Source: Nielsen//NetRatings